88590645 has 96 divisors (see below), whose sum is σ = 186572160. Its totient is φ = 39536640.

The previous prime is 88590637. The next prime is 88590647. The reversal of 88590645 is 54609588.

It is not a de Polignac number, because 88590645 - 2³ = 88590637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 88590645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88590647) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250789 + ... + 251141.

It is an arithmetic number, because the mean of its divisors is an integer number (1943460).

Almost surely, 2^88590645 is an apocalyptic number.

It is an amenable number.

88590645 is an abundant number, since it is smaller than the sum of its proper divisors (97981515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88590645 is a wasteful number, since it uses less digits than its factorization.

88590645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 88590645 is about 9412.2603555150. The cubic root of 88590645 is about 445.7889383886.

The spelling of 88590645 in words is "eighty-eight million, five hundred ninety thousand, six hundred forty-five".